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Direct Digital Control For Building Hvac Systems

Author: Michael J. Coffin
Publisher: Springer Science & Business Media
ISBN: 1461549213
Size: 30.81 MB
Format: PDF, Kindle
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Since the publication of the first edition in 1992, the HVAC industry has gone through enormous changes. As simple digital systems have given way to more complex systems, demand for information on how these systems operate, how they are best applied and how they communicate with other building control systems has grown rapidly. Direct Digital Control for Building Systems, Second Edition is thoroughly updated and expanded to include coverage of the architecture of modern digital control systems, distributed intelligence networked systems, communication protocols, the technologies and issues concerning interoperability, the latest application strategies, and defensive techniques for designing and specifying control systems. Numerous illustrations throughout help keep the subject highly accessible, and hardware, software, and systems applications are described in the most universal terms possible. This thoroughly revised second edition also contains a full section on BACnet® standard and Echelon's LonWorks® technology; their meaning, applications, and future implications. An up-to-date appendix is provided. Insights on emerging technologies in intelligent control systems and what the future holds for this dynamic field is covered throughout.

Direct Digital Control Of Building Systems

Author: H. Michael Newman
Publisher: John Wiley & Sons
ISBN: 9780471516965
Size: 47.27 MB
Format: PDF
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Direct Digital Control Of Building Systems From a brief historical look at the evolution of DDC to some thoughts on the future uses of artificial intelligence and fuzzy logic, this practical new work provides a systematic discussion of the theory and application possibilities of: ∗ Sensors and actuators––for temperature, humidity, pressure, flow, and indoor air quality; ∗ DDC hardware––including microprocessors, microcomputers, and microcontrollers; ∗ DDC software––operating system, utility, and applications software and the methods of configuring DDCs; ∗ The operator–machine interface––for field devices, workstations, and multivendor displays; ∗ Data communication systems for DDC––hardware, software, protocols and the ISO′s Open Systems Interconnection 7–layer architecture; ∗ BACnet––ASHRAE′s building automation and control networking protocol, from its design philosophy and the communication services it provides, to issues of extensibility, conformance, and specification; ∗ DDC design methodology––a complete case study, showing how to build system schematics, I/O and mode summaries, and logic flow diagrams; ∗ DDC implementation––issues of design, specification, installation, commissioning, training, and operation and maintenance.

Direct Digital Controls For Hvac Systems

Author: Thomas B. Hartman
Publisher: McGraw-Hill Companies
ISBN: 9780070269774
Size: 75.10 MB
Format: PDF
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Now you can put the full power of high-performance direct digital control (DDC) systems to work and improve indoor air quality, increase energy efficiency, enhance comfort temperatures, and ensure trouble-free building operations. This practical sourcebook shows HVAC design engineers, DDC system designers, building managers, and anyone else responsible for interior environmental control how to develop peak-performing HVAC designs using state-of-the-art DDC technology. You will find step-by-step guidance on exactly how to design, install, and maintain high-performance DDC systems. This essential engineering reference book offers proven, field-tested methods for evaluating high-performance applications software, determining the pros and cons of various programming approaches, organizing the DDC design and installation process, procuring DDC systems and details, and supervising the construction and startup of DDC systems. You'll find expert advice on how to select DDC system points and choose the most cost-effective input/output devices, how to determine optimum configurations for DDC system hardware, and how to maintain and improve performance through ongoing-system support. Filled with a wealth of real-life examples and case studies that are presented from the unique perspectives of designers, users, and system manufacturers, Direct Digital Controls for HVAC Systems is the tool you need to maximize the DDC systems in HVAC design.

Fundamentals Of Hvac Control Systems

Author: Ross Montgomery
Publisher: Elsevier
ISBN: 0080552331
Size: 14.89 MB
Format: PDF, ePub, Mobi
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Heating, ventailation and air-conditioning control systems are omnipresent in modern buildings. This book introduces the things involved in the specification, design, manufacture, installation, operation or maintenance of these systems.

Understanding Building Automation Systems

Author: Reinhold A. Carlson
Publisher: Robert s Means Company
Size: 26.55 MB
Format: PDF, Kindle
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This book is a response to the growing trend to upgrade existing commercial and industrial buildings for energy savings and improved security. Integrated Building Automation Systems provide technology to address these needs. The authors describe the major systems in detail, together with their compo

Applied Control Theory

Author: James R. Leigh
Publisher: IET
ISBN: 9780863410895
Size: 39.78 MB
Format: PDF, Docs
View: 6046
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This second edition includes new material and supporting references on: robotics control; programmable logic controllers; self-tuning controllers; distributed computer control systems; and biotechnological control.

Hvac Fundamentals

Author: Samuel C. Sugarman
Publisher: CRC Press
ISBN: 9780849336652
Size: 35.55 MB
Format: PDF, Docs
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This master volume covers the full range of HVAC systems used in today's facilities. Comprehensive in scope, the text is intended to provide the reader with a clear understanding of how HVAC systems operate, as well as how to select the right system and system components to achieve optimum performance and efficiency for a particular application. You'll learn the specific ways in which each system, subsystem or component contributes to providing the desired indoor environment, as well as what factors have an impact on energy conservation, indoor air quality and cost. Examined in detail are compressors, water chillers, fans and fan drives, air distribution and variable air volume, pumps and water distribution, controls and their components, heat recovery, and energy conservation strategies. Also covered are heat flow fundamentals, as well as heat flow calculations used in selecting equipment and determining system operating performance and costs.

Hvac Controls

Author: Guy W. Gupton
Publisher: The Fairmont Press, Inc.
ISBN: 0881733946
Size: 34.26 MB
Format: PDF, Docs
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In the eight years since the publication of the first edition of this book, there have been quantum changes in the automated temperature control (ATC) industry due to the widespread & growing use of direct digital control (DDC) systems. The fully updated second edition fully addresses these technology changes, from equipment characteristics & operation, to troubleshooting & maintenance, to training of operating & maintenance personnel. The full range of topics pertinent to the effective operation of all types of HVAC control systems currently in use today are explored, including equipment-to-control interactions, control system set-up & functions, local loop to building automation system interfaces, performance prediction & assessment, operational parameters, & maintenance & testing.

Hvac Controls And Systems

Author: John I. Levenhagen
Publisher: McGraw-Hill Professional
Size: 71.13 MB
Format: PDF, ePub
View: 4323
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This book presents engineers with solutions to the problems found in control applications in the commercial HVAC buildings industry. Using their experience to take readers beyond textbook principles, the authors offer suggestions for troubleshooting not found in any other book. Divided into two sections, HVAC Controls and Systems covers all aspects of commercial controls, including pneumatic, electric, and electronic controls. The first section discusses the hardware of the controls industry: thermostats and humidistats, dampers and damper motors, automatic valves, transmitters, auxiliary devices, construction systems and devices, and electronic products. The second section covers applications of the hardware for air handling unit systems, terminal systems and units, primary systems, heat pump cycles, distribution systems, supervisory systems, maintenance and operations, and total facility approach.